PCA8543AHL/AY

Product Overview

Category

The PCA8543AHL/AY belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for display applications, specifically in electronic devices that require alphanumeric or dot matrix displays.

Characteristics

• The PCA8543AHL/AY is a highly versatile and reliable integrated circuit.
• It offers excellent performance and accuracy in driving various types of displays.
• This IC supports multiple display formats, including alphanumeric and dot matrix displays.
• It is designed to provide efficient control and management of display functions.
• The PCA8543AHL/AY is known for its low power consumption and high efficiency.

Package

The PCA8543AHL/AY is available in a compact and industry-standard package. The package type is HLQFP (Heat Low Quad Flat Package) or AY (small outline package).

Essence

The essence of the PCA8543AHL/AY lies in its ability to drive and control displays effectively, providing clear and accurate visual information.

Packaging/Quantity

The PCA8543AHL/AY is typically packaged in reels or tubes, depending on the manufacturer's specifications. The quantity per reel or tube may vary, but it is usually around 250 to 1000 units.

Specifications

• Supply voltage: 2.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Display format support: Alphanumeric and dot matrix
• Communication interface: I2C (Inter-Integrated Circuit)
• Maximum display segments: 80
• Maximum display commons: 16
• Integrated RAM size: 64 bytes
• Package dimensions: HLQFP (10mm x 10mm) or AY (5mm x 6mm)

Detailed Pin Configuration

The PCA8543AHL/AY has a total of 32 pins. The pin configuration is as follows:

1. VDD - Power supply voltage
2. VSS - Ground
3. SDA - I2C data line
4. SCL - I2C clock line
5. INT - Interrupt output
6. A0 to A3 - Address selection inputs
7. CS1 to CS4 - Chip select inputs
8. RST - Reset input
9. DB0 to DB7 - Data bus lines
10. SEG0 to SEG79 - Segment outputs
11. COM0 to COM15 - Common outputs

Functional Features

• Display control: The PCA8543AHL/AY provides comprehensive control over display functions, including segment and common outputs.
• Integrated RAM: It features an integrated 64-byte RAM for storing display data, allowing for efficient manipulation and updating of the display content.
• Low power consumption: This IC is designed to minimize power consumption, making it suitable for battery-powered devices.
• Multiplexing support: The PCA8543AHL/AY supports multiplexing techniques, enabling the control of multiple displays using fewer pins.
• Built-in oscillator: It incorporates an internal oscillator, eliminating the need for an external clock source.

Advantages and Disadvantages

Advantages

• Versatile display support
• Efficient control and management of display functions
• Low power consumption
• Multiplexing capability
• Integrated RAM for efficient data storage

Disadvantages

• Limited maximum display segments and commons
• Requires I2C communication interface

Working Principles

The PCA8543AHL/AY operates by receiving commands and data through the I2C interface. It processes the received information and controls the segment and common outputs accordingly. The integrated RAM allows for efficient storage and manipulation of display data. The built-in oscillator ensures accurate timing for display control.

Detailed Application Field Plans

The PCA8543AHL/AY finds applications in various fields, including but not limited to: - Consumer electronics: Mobile phones, calculators, digital watches - Automotive: Dashboard displays, infotainment systems - Industrial equipment: Control panels, measurement devices - Medical devices: Patient monitors, diagnostic equipment - Home appliances: Microwave ovens, washing machines, refrigerators

Detailed and Complete Alternative Models

1. PCA8539AHL/AY
2. PCF8576CU/3,118
3. MAX7219CNG+
4. HT16K33B
5. TM1637

These alternative models offer similar functionality and can be used as substitutes for the PCA8543AHL/AY in various applications.

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